Simplify internal cable routing with the Sumart CRK-4 Internal Cable Routing Kit, your all-in-one solution for guiding brake hoses, shift cables, or Di2 wires through even the most complex frame layouts. This comprehensive kit includes magnet-tipped installation cables, versatile adaptor tips, and a magnet guide tool to make routing fast, frustration-free, and damage-free. Whether you’re a professional bike mechanic or a home DIYer, the CRK-4 helps you work smarter, not harder.
 
Key Features:
Complete Internal Routing Kit: Includes everything needed to route cables and wires through handlebars, downtubes, or chainstays.
Magnet Guide Tool: A Powerful magnet helps you precisely guide cables through carbon or aluminum frames with minimal effort.
2.5M Magnet-End Cables: Long, flexible cables offer ample reach for full-length internal routing jobs.
Versatile Adaptor Tips: Includes a tapered tip for brake hoses and a Di2-specific adapter for electronic shifting setups.
Quick & Clean Installation: Greatly reduces the time and hassle typically associated with internal routing.
 
Specifications:
Model: CRK-4
Cable Length: 2.5 meters (magnet end)
Included Tools: Magnet guide tool, Tapered adaptor tip, Di2 adapter tip
Application: Internal routing of brake hoses, shift cables, and electronic wires
Compatibility: Mechanical and electronic drivetrains
 
 
Take the headache out of cable installs with the Sumart CRK-4 Internal Cable Routing Kit, precision-made to make bike builds and maintenance easier, cleaner, and more efficient.